Punching bag



FIG. 1 is a top perspective view of a punching bag, showing my design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation thereof.

FIG. 6 is a right side elevation thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is an enlarged view of the area labeled 9 in FIG. 1; and,

FIG. 10 is an enlarged view of the area labeled 10 in FIG. 2.

The broken lines denoting the areas of enlargement and depicting details within the small circular platform at the base of the pole are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a punching bag, as shown and described. 